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| Criterion |  Operations A3 Problem Solving |  Operations Getting Things Done |  Decision Making Eisenhower Matrix |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | 1-2 h Setup, laufend | 15-30 min | 5-10 min daily |
Participantsdifferent | 2-5 | 1 | 1-6 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Action Lists, Project List, Review Routine | Eisenhower Matrix, Action List, Delegation Notes | Daily Priority List, Completion Notes |
Tagsno overlap | LeanProblem solvingCoachingOperations | ProductivityPlanningTasksExecution | PrioritizationFocusTasks | PrioritizationProductivityExecution |